Home / 23,312.81-32,171.68-12,702.45

Finding the Fourth Proportional to 23,312.81, 32,171.68 and 12,702.45

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Solution

The fourth proportional to 23,312.81, 32,171.68 and 12,702.45 is: 17,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.81 : 32,171.68 = 12,702.45 : x
  2. Step 2: Convert to fraction form
    23,312.81/32,171.68 = 12,702.45/x
  3. Step 3: Cross multiply
    23,312.81x = 32,171.68 × 12,702.45
  4. Step 4: Simplify right side
    23,312.81x = 408,659,021.69
  5. Step 5: Solve for x
    x = 408,659,021.69/23,312.81
  6. Step 6: Final answer
    x = 17,529.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.